Redispersible Polymer Powder

Overview of Redispersible Polymer Powder

Concreteandmore’s Redispersible Polymer Powder (RDP) is a high-performance polymer additive, made of vinyl acetate-ethylene (VAE) copolymer through spray drying technology. It can be redispersed into stable emulsion when mixed with water, forming a continuous polymer film in cement-based materials. Our RDP effectively solves the problems of poor bond strength, brittleness and low water resistance of concrete and mortar, improves the flexibility, adhesion and durability of materials, and is widely used in various building materials and construction scenarios around the world.

Features of Redispersible Polymer Powder

• Excellent Redispersibility: Can be quickly redispersed into uniform emulsion when mixed with water, no agglomeration, and fully compatible with cement matrix.
• Strong Bond Enhancement: Forms a tough polymer film, significantly improves the bond strength between cement-based materials and substrates (tile, concrete, wood, etc.).
• Good Flexibility & Crack Resistance: Reduces the brittleness of concrete/mortar, enhances toughness, and effectively inhibits the generation and expansion of microcracks.
• Superior Water Resistance & Weather Resistance: The polymer film has good water resistance, impermeability and weather resistance, improving the durability of building materials.
• Good Compatibility: Compatible with HPMC, water reducers, defoamers and other common concrete admixtures, no adverse reactions, easy to use.

Specification Table of Redispersible Polymer Powder

Item	RDP (RP-VAE Series)	RDP (RP-Acrylic Series)	RDP (RP-Styrene Series)
Appearance	White or off-white free-flowing powder	White or light yellow free-flowing powder	White or grayish free-flowing powder
Solid Content	≥98.0%	≥98.0%	≥98.0%
Particle Size (100 mesh sieve residue)	≤1.0%	≤1.0%	≤1.0%
Minimum Film-Forming Temperature (MFFT)	0–5°C	5–10°C	0–8°C
Glass Transition Temperature (Tg)	-10°C to 5°C	10°C to 20°C	-5°C to 10°C
Moisture Content	≤2.0%	≤2.0%	≤2.0%
Dosage (by weight of cement)	1.0%–5.0%	2.0%–6.0%	1.5%–5.5%
Packaging	25kg/bag (kraft paper + PE inner bag)	25kg/bag (kraft paper + PE inner bag)	25kg/bag (kraft paper + PE inner bag)
Shelf Life	12 months (sealed, cool and dry place)	12 months (sealed, cool and dry place)	12 months (sealed, cool and dry place)
HS Code	3904300000	3904300000	3904300000

Applications of Redispersible Polymer Powder

Concreteandmore’s Redispersible Polymer Powder (RDP) is widely used in cement-based materials, focusing on bond enhancement, flexibility and water resistance:

• Tile Adhesive: Improves the bond strength between tile and substrate, enhances water resistance and flexibility, prevents tile falling off.
• Wall Putty: Used in interior and exterior wall putty, improves adhesion, flexibility and water resistance, prevents cracking and peeling.
• Waterproof Mortar: Enhances the impermeability and water resistance of mortar, suitable for waterproof engineering of roofs, basements and bathrooms.
• Repair Mortar: Applied to concrete repair, crack repair and surface renovation, improves the bond strength and durability of repair materials.
• Self-Leveling Mortar: Improves the cohesion and flexibility of self-leveling mortar, ensures flatness and reduces cracking.

Company Profile

Concrete and More is the global leader in Low-Density Cellular Concrete (LDCC), Celluar Light Concrete (CLC), and advanced engineered foam solutions. Known globally for its commitment to research, innovation, and applied expertise, we have been providing engineered foam solutions since the early 2012's.

We can supply high-quality concrete admixture. We have a professional technical department and quality supervision department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.Send us an email or click on the needed products to send an inquiry.

If you want to know more about Redispersible Polymer Powder, please feel free and contact us.

Payment

T/T, Western Union, Paypal, Credit Card etc.

Shipment

By air, by sea, by express, as customers request.

FAQs of Redispersible Polymer Powder

1.What is the role of RDP in cement-based materials?

It enhances bond strength, flexibility and water resistance, reduces brittleness, and prevents cracking and peeling of concrete/mortar.

2.How to use RDP in construction?

Mix RDP powder evenly with cement, sand and other dry materials first, then add water and stir thoroughly to ensure uniform dispersion.

3.What is the difference between VAE, acrylic and styrene RDP?

VAE RDP has good flexibility; acrylic RDP has strong water resistance; styrene RDP has high bond strength. Choose according to project needs.

4.Will RDP affect the setting time of concrete?

Proper dosage has little effect on setting time; excessive dosage may slightly delay setting, which can be adjusted by controlling the dosage.

5.Do you provide global supply and technical support?

Yes, we supply RDP worldwide, with complete TDS and professional guidance to help you choose the right model and dosage.